From AAA Services to Zero Trust Network Access, Portnox’s cybersecurity center covers every inch of network security, data protection, cyber threats, and beyond—from A to Z.
What is cross-site scripting? Cross-Site Scripting (XSS) is a web security vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. These scripts are executed...
What is a teardrop attack in cybersecurity? A teardrop attack is a type of Denial-of-Service (DoS) attack that exploits vulnerabilities in how operating systems handle fragmented IP packets. When large...
What is polymorphic malware and how does it work? Polymorphic malware is a type of malicious software that continuously changes its code or appearance to evade detection by traditional antivirus...
What is a keylogger? A keylogger (short for keystroke logger) is a type of surveillance or malicious software (or hardware device) that records every keystroke made on a computer or...
What is privilege escalation? Privilege escalation is a cyberattack tactic where an attacker exploits vulnerabilities, misconfigurations, or weaknesses in a system to gain higher-level access than initially authorized. It enables...
What is a packet fragmentation attack? A packet fragmentation attack is a type of network exploit where attackers deliberately manipulate the fragmentation of IP packets to bypass security controls or...
What is DNS? DNS (Domain Name System) is often referred to as the “phonebook of the internet.” It is a hierarchical naming system that translates human-readable domain names (like www.example.com)...
What is a watering hole attack and how does it work? A watering hole attack is a cyberattack strategy in which hackers compromise a website or service frequently visited by...
What is pharming? Pharming is a cyberattack technique where attackers redirect users from legitimate websites to fraudulent ones, often without their knowledge, to steal sensitive information like usernames, passwords, or...
